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Welcome, EdPsy 387 students!

Welcome, EdPsy 387 students!. Who am I?. Jim Levin Department of Educational Psychology College of Education My background. Who are you?. Post in the WebBoard “Welcome” conference Your name Where you work and what you do Your goals for this class. Introduction.

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Welcome, EdPsy 387 students!

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  1. Welcome, EdPsy 387 students!

  2. Who am I? Jim Levin Department of Educational Psychology College of Education My background

  3. Who are you? • Post in the WebBoard “Welcome” conference • Your name • Where you work and what you do • Your goals for this class

  4. Introduction • Course web site: http://www.ed.uiuc.edu/courses/edpsy387/sp01/

  5. Plan for EdPsy 387 • Project-oriented • Strong links to your own interests • Highly interactive

  6. Project-oriented course • Mini projects • Major project

  7. Office hours • Monday, 10am-11am, 230C Ed Bldg • Electronic office hours: j-levin@uiuc.edu

  8. Educational uses of the web:“From surfing to serving” • Initially people see the Internet as a vast source of information • The web as a distributed hypermedia

  9. Hypertext & Hypermedia • Our class web page as a hypertext • What is hypertext? • Text that can be read in multiple ways • Print hypertexts? • Hypermedia: hypertext+graphics+sound+video+animation+etc.= hypertextual multimedia

  10. The World-Wide Web • A distributed hypermedia • Different parts can be on different computers all around the world, with hypertextual links via the Internet

  11. Web surfing • Web “surfing” • Advantages • Disadvantages

  12. Surfing to Serving • Web Serving: • Advantages • Disadvantages

  13. Education and the web • The Global Schoolnet web site • Harnessing the Power of the Web

  14. Search Engines • Databases of web resources • Two kinds • Directories (human classified) - Ex: Yahoo • Web crawler-based (not human classified) - Ex: Excite • Which to use? • Use whichever ones you find useful • When you don’t find one useful, switch to another

  15. Understanding URLs • A unique address for each web resource • Structure: what + which computer + which file • Example:http://www.ed.uiuc.edu/courses/edpsy387/sp01/index.html • What kind of resource: http:// -> Web file • Which computer: www.ed.uiuc.edu • Which file: courses/edpsy387/sp01/index.html

  16. Understanding Computer Names • Domain names: used both for computer names in URLs and in email addresses (whatever is the to the right of the @ sign) • Like a postal address, but with “.” instead of new line as separator • Most general to most specific, right to left

  17. Example:www.ed.uiuc.edu • From the right: edu -> US higher education institution • com --> US commercial institution • gov --> US federal government • org --> US non-profit • us --> US • mx -> Mexico • au -> Australia • Country code list: http://www.nsrc.org/codes/country-codes.html

  18. Example:www.ed.uiuc.edu • Next to the left: uiuc • University of Illinois, Urbana-Champaign • Email example: l-gomez@nwu.edu • Northwestern University

  19. Example: www.ed.uiuc.edu • computers in the Education Building at UIUC • www.beckman.uiuc.edu is a computer at the Beckman Institute

  20. Example: www.ed.uiuc.edu • www --> a particular computer in Room 10 of the Education Building

  21. Sending/saving URLs • Have to get the URL exactly right (sometimes case mAtTeRs; no spaces) • Copy & paste is best • Emailing a URL from your web browser • Advantages: can do anywhere • Disadvantages: need to set & then unset email preferences • Emailing yourself

  22. Using URLs to evaluate web sites • Largest level domain: .edu vs. .com vs. … • Subdomain elements: .ed.uiuc vs. .cs.uiuc • Directory elements: /students/joe/ vs. /facstaff/chip/ • Institutional vs. personal pages: /deans/ vs. /~jlevin/

  23. Search Engines • Yahoo & Open Directory: human classified databases of web sites • Google, Excite, Hotbot, etc.: automatic databases of web sites Web spiders

  24. For next week • Post in the “Welcome” conference • Skim through the Global Schoolnet website • Search for an exemplary educational website, post in that conference the name, URL, and why you think it is exemplary • Read Nan Goggin’s web design guide & skim the Yale Style Guide

  25. Digital Photo • To be used (if you choose to do so) on your eportfolio web page or as your “signature” in WebBoard

  26. WebBoard • A commercial web-based conferencing system • Log in: • Username: your net-id • Password: your net-id (change it)

  27. C-Base • A web-based computer-supported evaluation system • Username: your net-id • Password: your net-id (change it)

  28. Viruses & anti-virus software • Computer viruses are little programs that replicate by attaching themselves to other programs • Some viruses are “benign” (they don’t do much besides replicate); others do harm (deleting files, changing files, etc.)

  29. Anti-virus software • Virex for the Macintosh • Virus Scan for Windows 95/98 • Commercial, but licensed to you as students of UIUC and on your CD-ROM • Need to obtain the update files at least monthly from the UIUC software site

  30. Virus hoax messages • Any message that says “send this on to everyone you know” is probably a virus hoax message • Before you do, check a reputable source - for example, http://www.symantec.com/avcenter/hoax.html

  31. “Macro” viruses • Some applications allow for “macros” to automatically do repeated actions (for example, the Microsoft Office suite - MS Word, MS Excel, MS PowerPoint, MS Outlook) • This “macro” mechanism can be used to create “macro viruses” which spread through documents (Word files, Outlook email, Excel spreadsheets)

  32. To avoid “macro viruses” • Turn off the automatic running of macros • Beware of files that ask to run macros when opened (“just say no”) • Update your Windows MS Office applications

  33. Backup • Backup means making copies of important files so they’re available in case you lose the original files • The more important a file is, the more frequently it should be backed up and the more different places it should be copied to

  34. Backup • Manual: copying individual files to floppy disks, zip disks, other hard disks, file servers, etc. • Automatic: using an application that keeps track of what’s changed and therefore what needs to be copied at specified times

  35. However • Archival backup: keeping copies of older versions of your files that you keep around (forever? a year? …) • If you make a change and only later discover that you’ve lost something, you can go back to an archival copy • Periodic housekeeping: copy to floppy or zip disk; delete from local hard disk if not in current use

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